Properties

Label 2.6.9.6
Base \(\Q_{2}\)
Degree \(6\)
e \(2\)
f \(3\)
c \(9\)
Galois group $A_4\times C_2$ (as 6T6)

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Defining polynomial

\(x^{6} - 8 x^{5} + 86 x^{4} + 96 x^{3} + 860 x^{2} + 2976 x + 2728\) Copy content Toggle raw display

Invariants

Base field: $\Q_{2}$
Degree $d$: $6$
Ramification exponent $e$: $2$
Residue field degree $f$: $3$
Discriminant exponent $c$: $9$
Discriminant root field: $\Q_{2}(\sqrt{-2})$
Root number: $i$
$\card{ \Aut(K/\Q_{ 2 }) }$: $2$
This field is not Galois over $\Q_{2}.$
Visible slopes:$[3]$

Intermediate fields

2.3.0.1

Fields in the database are given up to isomorphism. Isomorphic intermediate fields are shown with their multiplicities.

Unramified/totally ramified tower

Unramified subfield:2.3.0.1 $\cong \Q_{2}(t)$ where $t$ is a root of \( x^{3} + x + 1 \) Copy content Toggle raw display
Relative Eisenstein polynomial: \( x^{2} + \left(4 t^{2} + 4 t\right) x + 12 t^{2} + 4 t + 10 \) $\ \in\Q_{2}(t)[x]$ Copy content Toggle raw display

Ramification polygon

Data not computed

Invariants of the Galois closure

Galois group: $C_2\times A_4$ (as 6T6)
Inertia group: Intransitive group isomorphic to $C_2^3$
Wild inertia group: $C_2^3$
Unramified degree: $3$
Tame degree: $1$
Wild slopes: $[2, 2, 3]$
Galois mean slope: $9/4$
Galois splitting model:$x^{6} - 12 x^{2} + 8$